Sprinkle chopped walnuts over the filling.
Roll the dough tightly into a log, starting from the long edge. Slice into 12 equal pieces.
Second Rise:
Arrange the rolls in a greased 9×13-inch baking dish. Cover and let rise for 30-45 minutes, or until puffy.
Bake:
Preheat the oven to 350°F (175°C). Bake the rolls for 25-30 minutes, or until golden brown and cooked through.
Make the Cream Cheese Frosting:
Beat cream cheese and butter together until smooth.
Add powdered sugar, vanilla, and salt, beating until creamy.
Frost and Serve:
Spread the frosting over the warm rolls.
Serve immediately and enjoy!
